Mandatory resources :

• PHP 4.3.10 or newer.

• PEAR 1.5.4 or newer.

• PEAR::HTML_Common 1.2.4 or newer.

• PEAR::HTML_Quickform 3.2.10 or newer.

• pcre extension.

Optional resources :

• PHP 5.0.0 or newer.

• PHPUnit 3.2.0 or newer.